2231404040 has 32 divisors (see below), whose sum is σ = 5034372480. Its totient is φ = 890123712.

The previous prime is 2231404033. The next prime is 2231404069. The reversal of 2231404040 is 404041322.

It is a super-3 number, since 3×2231404040³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61322 + ... + 90681.

It is an arithmetic number, because the mean of its divisors is an integer number (157324140).

Almost surely, 2^2231404040 is an apocalyptic number.

2231404040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231404040 is an abundant number, since it is smaller than the sum of its proper divisors (2802968440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2231404040 is a wasteful number, since it uses less digits than its factorization.

2231404040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152381 (or 152377 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2231404040 is about 47237.7395733538. The cubic root of 2231404040 is about 1306.7506907766.

Adding to 2231404040 its reverse (404041322), we get a palindrome (2635445362).

The spelling of 2231404040 in words is "two billion, two hundred thirty-one million, four hundred four thousand, forty".